Features: Precise aluminum alloy throttle triggers and brake lever delivers seamless fitment for NB4 series remote control transmitters without vehicle modification. Aluminum construction with red/blue color options enhances grip comfort while maintaining radio control precisions during high speed maneuvers. Designed for serious remote control car enthusiasts seeking professional grade upgrade components for their NB4, NB4+ remote control systems. Optimizes racing performances during competitive remote control event through ergonomic design that reduces finger fatigue during prolonged drift or track competitions. Aluminum build withstands intensive use in remote control bashers and crawlers, offering 50% longer life than plastic counterparts while complementing custom aesthetic. Specifications: Component: Aluminum Alloy Size: approx.3.1x0.7cm/1.22x0.28inch Color: Red/Blue Quantity: 1 Pc Package Includes: 1 pc Throttle Triggers Brake Handle note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.